Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Clinical Trials: Overview01:11

Clinical Trials: Overview

Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
Clinical Trials01:16

Clinical Trials

Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and medical devices. Using statistics in clinical trials enables researchers to derive reasonable and accurate conclusions from the collected data, allowing them to make wise decisions in uncertain situations. In medical research, statistical methods are crucial for preventing errors and bias.
There are four phases in a clinical trial. A phase one...
Drug Regulation01:25

Drug Regulation

Drug regulation encompasses the management of drug usage by evaluating its safety and efficacy through assessments conducted by regulatory authorities. Regrettably, the history of drug regulation is marred by several catastrophic events. One such incident is the Elixir Sulfanilamide tragedy, in which the toxic compound diethyl glycol was included in a sweet-tasting medication, leading to numerous fatalities. This event prompted the enactment of the Food, Drug, and Cosmetic Act in 1938. Under...
Antiepileptic Drugs: Potassium Channel Activators01:20

Antiepileptic Drugs: Potassium Channel Activators

Ezocgabine or retigabine, an antiepileptic drug of remarkable efficacy, has revolutionized the management of seizures. It is a potassium channel activator, explicitly targeting the family of Q subtype potassium channels. It enhances the transmembrane potassium currents, regulating neuronal excitability. This action stabilizes the resting membrane potential, a pivotal factor in mitigating the hyperexcitability that characterizes epilepsy.
Ezogabine has gained approval as an adjunctive treatment...
Impact of Pharmacokinetic–Pharmacodynamic Models: Regulatory Decisions01:15

Impact of Pharmacokinetic–Pharmacodynamic Models: Regulatory Decisions

PK–PD modeling has significantly influenced FDA regulatory decisions, particularly drug approval, dosage optimization, and labeling. These models integrate pharmacokinetics (PK) and pharmacodynamics (PD) to predict drug behavior and effects, aiding in optimizing dosing regimens and enhancing the probability of clinical trial success.One notable example is Nesiritide (Natrecor®), a recombinant human brain natriuretic peptide for treating acute decompensated congestive heart failure (CHF).
Preclinical Development: Overview01:28

Preclinical Development: Overview

Preclinical development consists of a series of tests that ensure the safety and efficacy of a new therapeutic compound before it is tested in humans. There are four main phases to this process. First, safety pharmacology tests are conducted to ensure the drug does not produce any acutely harmful effects. These tests examine parameters such as bronchoconstriction, cardiac dysrhythmias, blood pressure changes, and ataxia. Next, preliminary toxicological testing is performed to determine the...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Structure, characterisation and application of an unspecific peroxygenase from <i>Daldinia childiae</i>.

RSC chemical biology·2026
Same author

Real-Time Acetone Gas Monitoring Using Calixarene-Functionalized Guided-Mode Resonance-Based Sensors.

ACS photonics·2026
Same author

Biomimetic total synthesis of ten <i>Securinega</i> alkaloids.

Organic chemistry frontiers : an international journal of organic chemistry·2026
Same author

Synthesis of the Proposed Structure of Celacarfurine and Analogues Using Sequential Cascade Ring Expansion Reactions.

Organic letters·2026
Same author

Parallel evolution of plant alkaloid biosynthesis from bacterial-like decarboxylases.

The New phytologist·2026
Same author

N-terminal protein-macrocycles enabled by conjugate addition/ring expansion cascade reactions.

Chemical science·2025

Related Experiment Video

Updated: May 7, 2026

High-throughput and Comprehensive Drug Surveillance Using Multisegment Injection-Capillary Electrophoresis-Mass Spectrometry
10:17

High-throughput and Comprehensive Drug Surveillance Using Multisegment Injection-Capillary Electrophoresis-Mass Spectrometry

Published on: April 23, 2019

'Upenamide: trials and tribulations.

William P Unsworth1, Richard J K Taylor

  • 1Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK. william.unsworth@york.ac.uk richard.taylor@york.ac.uk.

Organic & Biomolecular Chemistry
|September 24, 2013
PubMed
Summary
This summary is machine-generated.

Synthetic chemists attempted the total synthesis of the complex macrocycle upenamide. Despite synthesizing proposed structures, neither matched the natural product, highlighting challenges in natural product synthesis.

More Related Videos

Elevated Plus Maze Test Combined with Video Tracking Software to Investigate the Anxiolytic Effect of Exogenous Ketogenic Supplements
05:42

Elevated Plus Maze Test Combined with Video Tracking Software to Investigate the Anxiolytic Effect of Exogenous Ketogenic Supplements

Published on: January 7, 2019

A General Method for Evaluating Deep Brain Stimulation Effects on Intravenous Methamphetamine Self-Administration
09:16

A General Method for Evaluating Deep Brain Stimulation Effects on Intravenous Methamphetamine Self-Administration

Published on: January 22, 2016

Related Experiment Videos

Last Updated: May 7, 2026

High-throughput and Comprehensive Drug Surveillance Using Multisegment Injection-Capillary Electrophoresis-Mass Spectrometry
10:17

High-throughput and Comprehensive Drug Surveillance Using Multisegment Injection-Capillary Electrophoresis-Mass Spectrometry

Published on: April 23, 2019

Elevated Plus Maze Test Combined with Video Tracking Software to Investigate the Anxiolytic Effect of Exogenous Ketogenic Supplements
05:42

Elevated Plus Maze Test Combined with Video Tracking Software to Investigate the Anxiolytic Effect of Exogenous Ketogenic Supplements

Published on: January 7, 2019

A General Method for Evaluating Deep Brain Stimulation Effects on Intravenous Methamphetamine Self-Administration
09:16

A General Method for Evaluating Deep Brain Stimulation Effects on Intravenous Methamphetamine Self-Administration

Published on: January 22, 2016

Area of Science:

  • Natural Product Synthesis
  • Organic Chemistry
  • Medicinal Chemistry

Background:

  • The complex macrocycle upenamide was isolated in 2000.
  • Its unique structure prompted significant synthetic chemistry efforts for total synthesis and structural verification.

Purpose of the Study:

  • To detail the progress made by various research groups in the total synthesis of upenamide.
  • To describe the evolution of synthetic routes and the development of new methodologies.
  • To compare synthesized structures with the natural product's spectroscopic data.

Main Methods:

  • Review of published synthetic strategies and methodologies.
  • Analysis of spectroscopic data for synthesized compounds and natural upenamide.
  • Comparative structural elucidation of proposed and natural upenamide.

Main Results:

  • Multiple research groups successfully synthesized proposed structures of upenamide.
  • Spectroscopic analysis revealed discrepancies between synthesized structures and the natural material.
  • The synthetic efforts led to the development of novel synthetic routes and methodologies.

Conclusions:

  • The total synthesis of upenamide presented significant challenges.
  • Neither of the initially proposed structures accurately represented the natural product.
  • The synthetic endeavors advanced the field of complex macrocycle synthesis and methodology development.